I will develop and integrate rest apis with spring boot and fastapi

R
rayhan_subhi
R
rayhan_subhi
Rayhan S
develop and integrate rest apis with spring boot and fastapi
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develop and integrate rest apis with spring boot and fastapi
Full Screen
Full Screen
develop and integrate rest apis with spring boot and fastapidevelop and integrate rest apis with spring boot and fastapidevelop and integrate rest apis with spring boot and fastapi

About this gig

Need two systems to talk to each other reliably? That's what I do.


I'm a backend & integration engineer with 2+ years building enterprise-grade APIs and

integrations for banking and enterprise systems. I design connections that don't break

in production with proper error handling, retries, logging, and clean documentation.


WHAT I CAN BUILD FOR YOU

REST API development (Spring Boot / Java, FastAPI / Python, Laravel / PHP, .NET / C#)

Third-party & payment API integrations (Stripe, webhooks, external SaaS APIs)

System-to-system integration & middleware (Apache Camel, WSO2 API Manager)

Database design & ETL pipelines (PostgreSQL, SQL Server, Oracle)

API documentation (OpenAPI / Swagger) + Postman collection


WHY ME

Enterprise background - I build for reliability, not just "it works on my machine"

Clean, documented, maintainable code you (or your next dev) can actually read

Clear communication, realistic timelines, no ghosting


Not sure exactly what you need? Send me a message before ordering and I'll tell you

honestly whether I'm the right fit and what it'll take. Let's build something solid.

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Testing procedures

  • Programming language

    • Java

  • Frontend framework

    • Next.js
    • React.js

  • Backend framework

    • Laravel
    • Express.js
    • FastAPI
    • NestJS
    • Spring Boot

Get to know Rayhan S

Rayhan S

Development Specialist

  • FromIndonesia
  • Member sinceMay 2026
  • Avg. response time1 hour

  • Languages

    Indonesian, English
I am a Software Engineer and System Analyst with over 2 years of experience in designing and building scalable web applications. I specialize in backend and full-stack development, creating responsive websites, developing APIs, and delivering efficient digital solutions for business needs. My experience includes working with modern technologies to build user-friendly, reliable, and maintainable applications from concept to deployment.

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